Mukan Erkin Törük
26b204bd04
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71 lines
1.7 KiB
Go
71 lines
1.7 KiB
Go
package errors
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import (
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"context"
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stdErrors "errors"
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"testing"
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"github.com/stretchr/testify/require"
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)
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type customErr struct {
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msg string
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}
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func (e customErr) Error() string { return e.msg }
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func TestBasicHelpers(t *testing.T) {
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err := New("boom")
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require.EqualError(t, err, "boom")
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err = Errorf("value: %d", 10)
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require.EqualError(t, err, "value: 10")
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}
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func TestWrapHelpers(t *testing.T) {
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base := stdErrors.New("base")
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require.Nil(t, Wrap(nil, "prefix"))
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require.Nil(t, Wrapf(nil, "prefix %s", "x"))
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wrapped := Wrap(base, "prefix")
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require.Error(t, wrapped)
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require.True(t, Is(wrapped, base))
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wrapped = Wrapf(base, "prefix %s", "x")
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require.Error(t, wrapped)
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require.True(t, Is(wrapped, base))
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}
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func TestJoinUnwrapAs(t *testing.T) {
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e1 := customErr{msg: "one"}
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e2 := stdErrors.New("two")
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j := Join(e1, e2)
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require.Error(t, j)
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require.True(t, Is(j, e2))
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var target customErr
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require.True(t, As(j, &target))
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require.Equal(t, "one", target.msg)
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wrapped := Wrap(e2, "prefix")
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require.True(t, Is(Unwrap(wrapped), e2))
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}
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func TestWithStack(t *testing.T) {
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base := stdErrors.New("base")
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require.True(t, Is(WithStack(base), base))
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}
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func TestShouldCaptureException(t *testing.T) {
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t.Run("canceled errors are ignored", func(t *testing.T) {
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require.False(t, shouldCaptureException(context.Canceled))
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require.False(t, shouldCaptureException(Wrap(context.Canceled, "prefix")))
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require.False(t, shouldCaptureException(Wrapf(context.Canceled, "prefix %s", "x")))
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require.False(t, shouldCaptureException(WithStack(context.Canceled)))
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})
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t.Run("other errors are reported", func(t *testing.T) {
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require.True(t, shouldCaptureException(stdErrors.New("boom")))
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})
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}
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